Comprehensive Water Tank Cleaning and Disinfection Services for CRRI Staff Colony

This tender, issued by the Council of Scientific and Industrial Research (CSIR) through the Director CRRI, invites bids for comprehensive water tank cleaning and disinfection services at the CRRI Staff Colony, Maharani Bagh, New Delhi. The scope of work encompasses the meticulous cleaning of terrace and loft water storage tanks up to 2000-liter capacity, underground sumps, and overhead RCC tanks. Crucially, the tender also requires detailed physical, chemical, and bacteriological analysis of water samples collected from both MCD supply and underground reservoir (UGR) tanks. This open tender, categorized under Civil Works, has an estimated tender value of ₹5,98,157 and requires an Earnest Money Deposit (EMD) of ₹11,970, payable to the Director CRRI. Prospective bidders must submit their bids in two covers: Cover 1 for tender fee, EMD, GST registration, PAN card, and experience certificates, and Cover 2 for the financial bid. The tender documents are available for download from October 12, 2026, 02:15 PM, with the bid submission deadline on October 21, 2026, 02:30 PM. Bid opening is scheduled for October 23, 2026, 02:30 PM at CSIR-CRRI, New Delhi, Mathura Road. The contract will be on an Item Rate basis, and the period of work is estimated at 548 days.